Juniper JUNOSE SOFTWARE 11.2.X - BROADBAND ACCESS CONFIGURATION GUIDE 7-20-2010 Configuration Manual page 22

JunosE 11.2.x Broadband Access Configuration Guide
Chapter 21
Chapter 22
xxii
Configuring the DHCP External Server Application . . . . . . . . . . . . . . . . . . . . 511
DHCP External Server Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511
Preservation of Dynamic Subscriber Interfaces with DHCP External Server
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
DHCP External Server Identification of Clients with Duplicate MAC Addresses
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514
Configuration Guidelines for Using Duplicate MAC Mode . . . . . . . . . . . . . . . 515
Restrictions for Using Duplicate MAC Mode to Manage Clients . . . . . . . . . . 515
DHCP External Server Configuration Requirements . . . . . . . . . . . . . . . . . . . . . . . 516
Enabling and Disabling the DHCP External Server Application . . . . . . . . . . . . . . 516
Monitoring DHCP Traffic Between Remote Clients and DHCP Servers . . . . . . . . 516
Synchronizing the DHCP External Application and the Router . . . . . . . . . . . . . . . 517
Configuring Interoperation with Ethernet DSLAMs . . . . . . . . . . . . . . . . . . . . . . . . 517
Configuring the DHCP External Server to Support the Creation of Dynamic
Subscriber Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 518
Configuring DHCP External Server to Control Preservation of Dynamic Subscriber
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519
Configuring Dynamic Subscriber Interfaces for Interoperation with DHCP Relay
and DHCP Relay Proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520
Deleting Clients from a Virtual Router's DHCP Binding Table . . . . . . . . . . . . . . . . 521
Configuring DHCP External Server to Uniquely Identify Clients with Duplicate
MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522
Configuring DHCP External Server to Re-Authenticate Auto-Detected Dynamic
Subscriber Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523
Monitoring and Troubleshooting DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525
Setting Baselines for DHCP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 526
Setting a Baseline for DHCP Relay and Relay Proxy . . . . . . . . . . . . . . . . . . . 526
Setting a Baseline for DHCP Proxy Server Statistics . . . . . . . . . . . . . . . . . . . 526
Setting a Baseline for DHCP External Server Statistics . . . . . . . . . . . . . . . . . 526
Setting a Baseline for DHCP Local Server Statistics . . . . . . . . . . . . . . . . . . . 527
Monitoring Addresses Excluded from DHCP Local Server Use . . . . . . . . . . . . . . . 527
Monitoring DHCP Bindings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528
Monitoring DHCP Binding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528
Monitoring DHCP Binding Count Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531
Monitoring DHCP Binding Host Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533
Monitoring DHCP Bindings (Displaying IP Address-to-MAC Address
Bindings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535
Monitoring DHCP Bindings (Displaying DHCP Bindings Based on Binding ID) . . 536
Monitoring DHCP Bindings (Local Server Binding Information) . . . . . . . . . . . . . . 537
Monitoring DHCP External Server Configuration Information . . . . . . . . . . . . . . . 538
Monitoring DHCP External Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 539
Monitoring DHCP External Server Duplicate MAC Address Setting . . . . . . . . . . . 540
Monitoring DHCP Local Address Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540
Monitoring DHCP Local Server Authentication Information . . . . . . . . . . . . . . . . 543
Monitoring DHCP Local Server Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544
Monitoring DHCP Local Server Leases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544
Monitoring DHCP Local Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546
Monitoring DHCP Option 60 Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 548
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